This research was part of an ongoing program studying the concept of multi-material dielectrics (MMD) with dielectric constants much higher than homogenous materials. MMD described in this study have dielectric constants six orders of magnitude greater than the best single materials. This is achieved by mixing conductive particles with an insulating surface layer into a composite matrix phase composed of high surface area ceramic powder and aqueous electrolyte. Specifically examined in this...
Topics: DIELECTRIC, DIELECTRIC CONSTANT, RELATIVE PERMITTIVITY, COMPOSITE DIELECTRIC, CAPACITOR, ENERGY...
This volume was digitized and made accessible online due to deterioration of the original print copy.
Topic: Dielectric measurements
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Jul 5, 2020
07/20
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Bibhas De
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Mechanical force on dielectric polarization current in a magnetic field
Topics: Dielectric force, force on dielectric displacement current
This volume was digitized and made accessible online due to deterioration of the original print copy.
Topic: Dielectric measurements.
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Jul 12, 2019
07/19
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Daniel, Vera V
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281 p. 24 cm
Topic: Dielectric relaxation
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Schematics: OEM ADPC24180B2X1P
Topics: dielectric, cmos
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Schematics: OEM 715T1624
Topics: dielectric, cmos
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Schematics: OEM ADPC24180B3X2
Topics: dielectric, cmos
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Aug 2, 2013
08/13
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Baker-Jarvis, James; Riddle, Bill F.
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Topic: Dielectric measurements.
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Sep 28, 2016
09/16
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IASET JOURNALS
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A fast Ag + ion conducting composite electrolyte system: 0.9[0.75AgI:0.25AgCl]: 0.1TiO 2 has been prepared by quenching route of material preparation. At this particular composition the system exhibits better ionic conductivity and can be used in solid state battery fabrication as an electrolyte. Some basic dielectric parameters such as: dielectric constant (ε’), dielectric loss (ε”) and tangent loss (tanδ) were studied as a function of temperature and frequency. Frequency dependence of...
Topics: Composite Electrolyte, Dielectric Constant, Dielectric Loss, Dispersion
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Jul 17, 2017
07/17
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© Impact Journals
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ABSTRACT The ion conducting glasses 35Li2O: (65-X) B2O3: X Al2O3 have been prepared with various compositions (where X = 0,5,10,15,20) by using melt quenching technique. The electrical conductivity and dielectric parameters of glasses were analyzed by LCR impedance analyzed in the frequency range (100Hz-1MHz) at different temperatures (323K-623K). It has been observed that the electrical conductivity of glass increases with increase in mole percent of aluminum oxide. The dielectric constants...
Topics: KEYWORDS: Electrical Conductivity, Dielectric Constant, Dielectric Relaxation Mechanism
Which Capacitor? information for engineers - Marshall Industries, Capacitor Division 1965
Topics: dielectric, capacitor, voltage, temperature, capacitance, capacitors, figure, failure, metallized,...
University of Illinois Urbana-Champaign
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Feb 22, 2013
02/13
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Weeks, Walter L; University of Illinois at Urbana-Champaign : Antenna Laboratory, Electrical Engineering Research Laboratory, Engineering Experiment Station
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"Contract No. AF33(616)-3220 Project No. 6(7-4600) Task 40572 Wright Air Development Center"
Topics: Waveguides, Dielectric waveguides
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Aug 2, 2013
08/13
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Baker-Jarvis, James; Jones, Chriss A.; Riddle, Bill.
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Topics: DNA., Dielectric relaxation.
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Dielectric Resonator Antennas
Topic: Dielectric Resonator Antennas
This study aims to understand thoroughly the effects of calcining and sintering conditions on the relative permittivity and sintering behaviors of the solid solution method of preparing BSTs. BST (BaxSr1-xTiO3, x = 0.6, 0.7,0.8 and 0.9) was synthesized using an established solid-state reaction method [R.K. Roeder, E.B. Slamovich, Stoichiometry control and phase selection in hydrothermally derived BaxSr1-xTiO3 powders, J. Am. Ceram. Soc. 82 (7) (1999) 1655, R. Ganesh, E. Goo, Microstructure...
Topics: X-Ray Diffraction, Dielectric Constant, Dielectric Loss, Calcining, Sintering
University of Illinois Urbana-Champaign
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Feb 22, 2013
02/13
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Weeks, W. L. (Walter LeRoy), 1923-; University of Illinois at Urbana-Champaign : Antenna Laboratory, Electrical Engineering Research Laboratory, Engineering Experiment Station
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At head of title: Antenna Laboratory
Topics: Dielectric devices, Radiators
The paper describes a simple and important ferroelectric nature of succinic Acid disodium salt hexa-hydrate. In this paper we have studied the variation of dielectric constant with temperature in compressed rectangular pellet form having silver paint electrodes using MOTWANE capacity, measuring unit DM-3750B. The plot shows a 2nd order phase transition at about 700C and a sharp rise of dielectric constant at a very high value 9.4 at 1490C following a phase transition at this temperature. The...
Topics: Dielectric, Ferroelectric, Dielectric Loss, Pyro-Electric, Phase Transition, Hysteresis
This study aims to understand thoroughly the effects of calcining and sintering conditions on the relative permittivity and sintering behaviors of the solid solution method of preparing BSTs. BST (BaSrTiO, x = 0.6, 0.7,0.8 x1-x3 and 0.9) was synthesized using an established solid-state reaction method [R.K. Roeder, E.B. Slamovich, Stoichiometry control and phase selection in hydrothermally derived BaSrTiO powders, J. Am. Ceram. Soc. 82 (7) (1999) 1655, R. x1-x3 Ganesh, E. Goo, Microstructure...
Topics: X-Ray Diffraction, Dielectric Constant, Dielectric Loss, Calcining, Sintering
The paper describes a simple and important ferroelectric nature of succinic Acid disodium salt hexa-hydrate. In this paper we have studied the variation of dielectric constant with temperature in compressed rectangular pellet form having silver paint electrodes using MOTWANE capacity, measuring unit DM-3750B. The plot shows a 2nd order phase transition at about 700C and a sharp rise of dielectric constant at a very high value 9.4 at 1490C following a phase transition at this temperature. The...
Topics: Dielectric, Ferroelectric, Dielectric Loss, Pyro-Electric, Phase Transition, Hysteresis
Electrical Measurements on Cadmium Selenite Nano Composites
Topics: Nanoparticles, Microwave, AC conductivity, DC conductivity, Dielectric constant, Dielectric loss
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In this work, an attempt has been made to study dielectric properties of CaCu3Ti4O12 ceramics. For this, CaCu3Ti4O12 was prepared by a modified solid state reaction method. The dielectric constant (ε') and dielectric loss (tan δ = ε''/ε') were measured within the frequency range from 102 Hz to 106 Hz and the temperature ranging from 30°C to 300°C using HP 4192A LF Impedance Analyzer. The results showed that the dielectric constant and dielectric loss of the sample are...
Topics: CaCu3Ti4O12, dielectric constant (ε') dielectric loss (tan δ = ε''/ε')
Bell System Technical Journal, 48: 7. September 1969 pp 2325-2332. Resonances Loss in Integrated Microwave Circuits. (Schneider, M.V.)
Topics: dielectric, microstrip, loss, factor, field, transmission, filling, constant, integrated,...
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A new type of wave in a magnetized fluid dielectric
Topics: MHD, magnetohydrodynamics, dielectric fluids
Abstract — Dielectric spectroscopy was employed for monitoring biophysical parameters of Euglena gracilis in suspension to assess a possibility of using this method for a new biomonitoring system for detecting and identifying pollutants in aquatic environments. E. gracilis was subjected to different types of membrane-affecting toxic chemicals (1 mM chlorpromazine, 1 mM HgCl 2 , or 1 mM Triton X-100), and dielectric measurement of the cell suspension w as carried out over a wide frequency...
Topics: Biomonitoring, Dielectric spectroscopy, Impedance.
University of Illinois Urbana-Champaign
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165
Feb 22, 2013
02/13
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Duncan, J. W; DuHamel, R. H. author; University of Illinois at Urbana-Champaign : Antenna Laboratory, Electrical Engineering Research Laboratory, Engineering Experiment Station
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"Contract AF33(616)-3220 Project No. 6(7-4600) Task 40572 Wright Air Development Center."
Topics: Radiation, Dielectric wave guides
http://uf.catalog.fcla.edu/uf.jsp?st=UF005462017&ix=pm&I=0&V=D&pm=1
Topics: Lumber--Drying, Dielectric heating.
Bell System Technical Journal, 20: 1. January 1941 pp 125-128. Abstracts of Technical Articles by Bell System Authors.
Topics: frequency, dielectric, modulation, atomic, hysteresis, stability, annealed, neutron, transmission,...
Thesis (M.A.)--University of Illinois, 1914
Topics: Dielectrics, Dielectric measurements, Theses
It is proposed that electromagnetic radiation of a speci' fied frequency can be produced by stimulated Cerenkov radiation in a dielectric resonator excited by a relativistic electron beam. The frequency generated depends upon the energv of the electrons and the refractive index and dimensions of the dielectric. This work describes the continuation of an experiment designed to verify the proposed radiation using 100 MeV electrons and a polyethylene slab. Problems encountered during the...
Topics: Physics, Stimulated Cerenkov Radiation, dielectric slab, dielectric resonator, LINAC beam monitor
Polycrystalline Ba(Gd1/2Nb1/2)O3 was prepared using a high-temperature solid-state reaction method. X-ray diffraction analysis indicated the formation of a single-phase cubic structure having space group . AC impedance plots as a function of frequency at different temperatures were used to analyse the electrical behaviour of the sample, which indicated the negative temperature coefficient of resistance character. Complex impedance analysis targeted non-Debye type dielectric relaxation....
Topics: Ba(Gd1/2Nb1/2)O3, Perovskite, Dielectric Properties, Dielectric Relaxation, Electrical Conductivity
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Jul 31, 2015
07/15
by
IASET JOURNALS
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The nanoparticle of barium zirconate titanate (BZT) ceramic was synthesized by solid state reaction method at 1200°C. Single perovskite phase having cubic symmetry is confirmed by X-Ray Diffraction. There are two transition temperatures present around 200K and 330K. The dielectric properties reveal that BZT is a relaxor ferroelectric confirmed by diffusion of two phases (tetragonal and cubic phase). The dielectric constant of BZT ceramics exhibited broad peaks curve near the Tm. This...
Topics: XRD, Dielectric Constant, Ferroelectric, Relaxor
Porcelain electric insulators act as a primary support device for transmission lines. Being installed in the outer atmosphere these can exhibit flashover due to expositing to pollutant environments such as industrial areas, deserts and sea air, containing carbon, sand and salt. There has to be a new innovative method to mitigate the above problem and one such problem is coating these insulators with the nanostructured thin film. The present investigation aims to develop and characterize...
Topics: Insulators, Flashover, Optical, Dielectric & Hydrophobic
The results of this study establish that powder-based super dielectric materials (SDM) are a large family of porous electrically insulating materials filled to the point of incipient wetness (paste consistency) with liquids containing dissolved ions. This work studied the dielectric behavior at low frequency of four different high surface area, porous, refractory oxides: two alumina materials, one silica, and one fumed silica, filled with aqueous solutions containing one of two salts (NaCl or...
Topics: capacitor, supercapacitor, super dielectric material
Journal of Research of the National Bureau of Standards
Topics: chains, dielectric, peaks, polychlorotrifluoroethylene, semicrystalline
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May 21, 2020
05/20
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Mainak Basu
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MicroTAS Conference Proceedings 2019, Basel, Switzerland
Topics: Digital Microfluidics, Electrowetting on dielectric
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Oct 19, 2020
10/20
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Bulletin of Electrical Engineering and Informatics
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The preparation of (polystyrene-copper oxide) nanocomposites have been investigated for piezoelectric application. The copper oxide nanoparticles were added to polystyrene by different concentrations are (0, 4, 8 and 12) wt.%. The structural and A.C electrical properties of (PS-CuO) nanocomposites were studied. The results showed that the dielectric constant and dielectric loss of (PS-CuO) nanocomposites decrease with increase in frequency. The A.C electrical conductivity increases with...
Topics: Dielectric properties, Nanocomposites, Piezoelectric, Polystyrene
Bell System Technical Journal, 54: 6. July-August 1975 pp 1027-1049. Polarization-Independent, Multilayer Dielectrics at Oblique Incidence. (Saleh, A.A.M.)
Topics: dielectric, sin, solution, solutions, dielectrics, reflection, multilayer, symmetric, cases, prism,...
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308
Jun 17, 2010
06/10
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NON
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Mathematical expression for tensor of dielectric permeability of heterogeneous plasma confined by constant magnetic field
Topics: CONFINEMENT, DIELECTRIC PERMEABILITY, HETEROGENEITY, PLASMA CONFINEMENT, TENSOR ANALYSIS,...
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Electrowetting Conference 2018, University of Twente, Netherlands
Topics: Electrowetting on dielectric, Digital microfluidics
Bell System Technical Journal, 45: 1. January 1966 pp 97-103. Light Transmission in a Multiple Dielectric (Gaseous and Solid) Guide. (Marcatili, E.A.J.)
Topics: dielectric, attenuation, propagation, mode, refractive, transmission, constant, modes, thickness,...
Bell System Technical Journal, 49: 8. October 1970 pp 1665-1693. Radiation Losses of the Dominant Mode in Round Dielectric Waveguides. (Marcuse, Dietrich)
Topics: waveguide, radiation, losses, mode, modes, loss, slab, dielectric, dominant, taper, dielectric...
Bell System Technical Journal, 16: 4. October 1937 pp 574-577. Addendum to "Radio Propagation Over Plane Earth - Field Stength Curves". (Burrows, Charles R.)
Topics: equation, oscillations, dielectric, propagation, factor, amplitudes, attenuation, curves,...
Journal of Research of the National Bureau of Standards
Topics: Clausius-Mossotti function, dielectric constant, oxygen
High variance Mo substituted lithium ferrite with general formula [Li Mo Fe ] O : where y=0.05 to 0.5 in (1+3y)/2 y 2.5-5y/2 4 o steps of 0.05 were prepared under solid- state reaction method sintered at high temperature 1200 C. The dielectric behavior of all 6 the samples was studied from 50 -10 Hz. The dielectric constant initially increases at y=0.10 then decreases to y=0.15 then increases up to y = 0.25 from where maintains constant up to y=0.40 then decreases finally with increasing...
Topics: Lithium Ferrites, Dielectric Behavior& Conduction Mechanism
Thesis (Ph.D.)--University of Illinois, 1920
Topics: Liquid dielectrics, Dielectric devices, Oscillations, Theses
Journal of Research of the National Bureau of Standards
Topics: Adipamide, dielectric properties, polyamides, polyhexamethylene, sebacamide
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Jul 5, 2020
07/20
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Bibhas De
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The dielectric analogue of magnetohydrodynamics (MHD)
Topics: MHD, magnetohydrodynamics, MHD in dielectric fluids
A method was developed to investigate the dielectric response of non-spherical zinc oxide particles in a gaseous suspension. The method exploited a change in a microwave cavity resonance when the particles were aligned with respect to the microwave electric field. To enhance the detectability of this change, modulation techniques were employed for alignment and detection purposes. A theory was devised to explain this method and experiments were conducted, the results of which support this...
Topics: Physics, zinc oxide, dielectric properties, dielectric relaxation, dielectric modulation,...
17 leaves : 28 cm
Topics: Helium, Capacitance meters -- Design and construction, Dielectric measurements, Helium, Capacitance...
